Ionization steps and phase-space metamorphoses in the pulsed microwave ionization of highly excited hydrogen atoms
- 1 January 1996
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 53 (1) , R12-R15
- https://doi.org/10.1103/physreva.53.r12
Abstract
As the peak electric field of the microwave pulse is increased, steps in the classical microwave ionization probability of the highly excited hydrogen atom are produced by phase-space metamorphosis. They arise from new layers of Kolmogorov-Arnold-Moser (KAM) islands being exposed as KAM surfaces are destroyed. Both quantum numerical calculations and laboratory experiments exhibit the ionization steps, showing that such metamorphoses influence pulsed semiclassical systems.Keywords
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